321712048

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 763418400

約数和(自身を除く): 441706352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 61, 62, 98, 112, 122, 124, 196, 217, 244, 248, 343, 392, 427, 434, 488, 496, 686, 784, 854, 868, 961, 976, 1372, 1519, 1708, 1736, 1891, 1922, 2744, 2989, 3038, 3416, 3472, 3782, 3844, 5488, 5978, 6076, 6727, 6832, 7564, 7688, 10633, 11956, 12152, 13237, 13454, 15128, 15376, 20923, 21266, 23912, 24304, 26474, 26908, 30256, 41846, 42532, 47089, 47824, 52948, 53816, 58621, 83692, 85064, 92659, 94178, 105896, 107632, 117242, 167384, 170128, 185318, 188356, 211792, 234484, 329623, 334768, 370636, 376712, 410347, 468968, 648613, 659246, 741272, 753424, 820694, 937936, 1297226, 1318492, 1482544, 1641388, 2594452, 2636984, 2872429, 3282776, 5188904, 5273968, 5744858, 6565552, 10377808, 11489716, 20107003, 22979432, 40214006, 45958864, 80428012, 160856024, 321712048]

約数ペア:

[(1, 321712048), (2, 160856024), (4, 80428012), (7, 45958864), (8, 40214006), (14, 22979432), (16, 20107003), (28, 11489716), (31, 10377808), (49, 6565552), (56, 5744858), (61, 5273968), (62, 5188904), (98, 3282776), (112, 2872429), (122, 2636984), (124, 2594452), (196, 1641388), (217, 1482544), (244, 1318492), (248, 1297226), (343, 937936), (392, 820694), (427, 753424), (434, 741272), (488, 659246), (496, 648613), (686, 468968), (784, 410347), (854, 376712), (868, 370636), (961, 334768), (976, 329623), (1372, 234484), (1519, 211792), (1708, 188356), (1736, 185318), (1891, 170128), (1922, 167384), (2744, 117242), (2989, 107632), (3038, 105896), (3416, 94178), (3472, 92659), (3782, 85064), (3844, 83692), (5488, 58621), (5978, 53816), (6076, 52948), (6727, 47824), (6832, 47089), (7564, 42532), (7688, 41846), (10633, 30256), (11956, 26908), (12152, 26474), (13237, 24304), (13454, 23912), (15128, 21266), (15376, 20923)]